Exhibit 23.

                       CONSENT OF INDEPENDENT ACCOUNTANTS
                       ----------------------------------

We hereby consent to the incorporation by reference in the registration
statements listed below of our reports dated February 15, 2002, relating to the
financial statements and financial statement schedule, which appear in this
Annual Report on Form 10-K.

On Form S-3:             Relating to:
- ------------             -----------

File No. 333-75148       ÌÇÐÄlogo¹ÙÍøÊ×Ò³ Dividend Reinvestment
                         and Stock Purchase Plan

         333-84200       ÌÇÐÄlogo¹ÙÍøÊ×Ò³ debt securities,
                         preferred stock, depositary shares, common stock and
                         warrants

On Form S-8:             Relating to:
- ------------             ------------

File No. 033-60667       ÌÇÐÄlogo¹ÙÍøÊ×Ò³ Parity Investment Bonus

         333-00429       ÌÇÐÄlogo¹ÙÍøÊ×Ò³ Savings Fund Plan for
                         Salaried Employees

         333-36840       ÌÇÐÄlogo¹ÙÍøÊ×Ò³ Savings Fund Plan for
                         Salaried Employees

         333-76392       ÌÇÐÄlogo¹ÙÍøÊ×Ò³ Non-Officer Restricted
                         Stock Plan

         333-76394       ÌÇÐÄlogo¹ÙÍøÊ×Ò³ 2002 Stock Plan


/s/ PricewaterhouseCoopers LLP

PricewaterhouseCoopers LLP
Pittsburgh, Pennsylvania
March 19, 2002